Tag: Hydration vest

According to seasoned runners on Reddit, there is no single right answer to whether you should carry water during a half marathon. It depends heavily on factors like race-day temperature, your personal sweat rate, and the availability of aid stations along the course.

A 1% drop in body weight due to dehydration can cause a 3–4% decline in muscle performance, making it crucial for athletes to understand **what do runners use for hydration** to maintain peak function and energy. Hydration is a cornerstone of a runner’s diet, influencing everything from endurance and recovery to mental focus. Your specific fluid needs, however, will vary depending on your run's duration, intensity, and environmental conditions.